BS EN 1434-6-2007 Heat meters. Installation, commissioning, operational monitoring and maintenance.pdf
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1、BRITISH STANDARD BS EN 1434-6:2007 Heat meters Part 6: Installation, commissioning, operational monitoring and maintenance The European Standard EN 1434-6:2007 has the status of a British Standard ICS 17.200.10 ? Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Oct 10 10
2、:00:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 1434-6:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2007 BSI 2007 ISBN 978 0 580 50851 6 National foreword This British Standard was published by BSI. It is the UK impleme
3、ntation of EN 1434-6:2007. It supersedes BS EN 1434-6:1997 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee CPI/30, Measurement of fluid flow in closed conduits, to Subcommittee CPI/30/7, Volume flow-rate methods. A list of organizations represented on
4、 this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued
5、 since publication Amd. No. DateComments Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Oct 10 10:00:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1434-6 February 2007 ICS 17.200.10Supersedes EN 1434-6:1997 English V
6、ersion Heat meters - Part 6: Installation, commissioning, operational monitoring and maintenance Compteurs dnergie thermique - Partie 6: Installation, mise en service, surveillance et maintenance Wrmezhler - Teil 6: Einbau, Inbetriebnahme, berwachung und Wartung This European Standard was approved b
7、y CEN on 7 January 2007. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national stand
8、ards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified t
9、o the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, N
10、etherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CENAll rights of exploita
11、tion in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1434-6:2007: E Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Oct 10 10:00:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 1434-6:2007 (E) 2 Contents Page Foreword3 1 Scope 4 2
12、Normative references4 3 Terms and definitions .4 4 Requirements.5 4.1 Design requirements.5 4.2 Installation requirements5 4.3 Heat meter commissioning.5 4.3.1 General5 4.3.2 Certification check.6 4.3.3 Installation check.6 4.3.4 Heat meter security6 Annex A (informative) Heat meter installation .7
13、A.1 Introduction7 A.2 Criteria for the selection of a heat meter.7 A.3 Quality of the heat conveying liquid7 A.3.1 General7 A.3.2 Primary water quality 8 A.3.3 Secondary water quality .8 A.4 Heat meter flow circuit design8 A.5 Additional recommendations for cooling application .9 Annex B (informativ
14、e) Heat meter operational monitoring and maintenance.13 B.1 Introduction13 B.2 Heat meter service life.13 B.3 Heat meter monitoring procedures13 B.4 Maintenance check list14 B.5 Replacement of failed heat meters 14 Annex C (informative) Suggested gauge for checking the dimensions of installed temper
15、ature sensor pockets.16 Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Oct 10 10:00:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ? EN 1434-6:2007 (E) 3 Foreword This document (EN 1434-6:2007) has been prepared by Technical Committee CEN/TC 176 “Heat Meters”, the secre
16、tariat of which is held by DS. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2007, and conflicting national standards shall be withdrawn at the latest by August 2007. This document supers
17、edes EN 1434-6:1997. The other parts are: Part 1 - General requirements Part 2 - Constructional requirements Part 3 - Data exchange and interfaces Part 4 - Pattern approval tests Part 5 - Initial verification tests According to the CEN/CENELEC Internal Regulations, the national standards organizatio
18、ns of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,
19、 Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Oct 10 10:00:23 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ? EN 1434-6:2007 (E) 4 1 Scope This European Standard specifies installation, commissioning, op
20、erational monitoring and maintenance and applies to heat meters, that is to instruments intended for measuring the heat which, in a heat-exchange circuit, is absorbed (cooling) or given up (heating) by a liquid called the heat-conveying liquid. The heat meter indicates the quantity of heat in legal
21、units. Electrical safety requirements are not covered by this European Standard. Pressure safety requirements are not covered by this European Standard. Surface mounted temperature sensors are not covered by this European Standard. 2 Normative references The following referenced documents are indisp
22、ensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1434-1:2007, Heat meters Part 1: General requirements 3 Terms and definitions For the purpo
23、se of this document, the terms, definitions and symbols given in Clause 4 of EN 1434-1:2007 and the following apply. 3.1 heating system heating installation of the dwelling or premises, including the exchange circuit, the heat meter, the associated fittings and the electrical equipment NOTE The heat
24、ing system typically commences and finishes at the two connections to the heat mains. 3.2 heat mains heat suppliers distribution pipes to which the consumers installation is connected 3.3 flow and return limbs pipes connecting the heating system to the heat mains 3.4 primary circuit circuit hydrauli
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